var ns4=document.layers;
var ns6=document.getElementById&&!document.all;
var ie4=document.all;

function show(i)
{
	
	if (ie4)
	{
	
		if (i=='current')
		{
			current.style.visibility='visible';
			forecast.style.visibility='hidden';
		}
		else if (i=='forecast')
		{
			current.style.visibility='hidden';
			forecast.style.visibility='visible';
		}
	}
	if (ns4)
	{
		if (i=='current')
		{
			document.current.visibility='visible';
			document.forecast.visibility='hidden';
		}
		else if (i=='forecast')
		{
			document.current.visibility='hidden';
			document.forecast.visibility='visible';
		}
	}
	else if (ns6)
	{
		if (i=='current')
		{
			document.getElementById("current").style.visibility='visible';
			document.getElementById("forecast").style.visibility='hidden';
		}
		else if (i=='forecast')
		{
			document.getElementById("current").style.visibility='hidden';
			document.getElementById("forecast").style.visibility='visible';		
		}
	}
}